Oxytocin: Decreases pain and increases bonding in mother and infant; counteracts the production of stress hormones such as Cortisol; greatly reduces postpartum bleeding; enhances the breastfeeding let-down reflex.

Immunoglobulin G (IgG): Antibody molecules which support the immune system.

Human Placental Lactogen (hPL): This hormone has lactogenic and growth-promoting properties; promotes mammary gland growth in preparation for lactation in the mother. It also regulates maternal glucose, protein, and fat levels.